#!/usr/bin/env python
# $Id: test2-48.py df54dec975f4 2012/09/09 20:22:40 pgurumur $
# Copyright (c) 2012 Prabhu Gurumurthy <pgurumur@gmail.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

__version__  = "$Revision: df54dec975f4 $"
__author__   = "$Author: pgurumur $"
__modified__ = "$Date: 2012-09-09 20:22:40Z $"

import os
import sys
import pwd

def expandperm(mode):
   retval = ""
   maxval = 3
   usr = "ugo"
   perm = "rwx"

   for ix in range(maxval):
      if len(retval):
         retval = "%s," %retval

      retval = "%s%s=" %(retval, usr[ix])
      for jy in range(maxval):
         temp = mode & (1 << (8 - ((3 * ix)  + jy)))
         if (temp):
            retval = "%s%s" %(retval, perm[jy])

   return retval

if __name__ == "__main__":
   if len(sys.argv) == 2:
      filename = sys.argv[1]
      if os.path.exists(filename):
         st = os.stat(filename)
         print(pwd.getpwuid(st.st_uid).pw_name)
         print(expandperm(st.st_mode))
